Shade-holder for lamps.



A-WALSH & W. HANCOCK.

SHADE HOLDER FO R LAMPS. APPLICATION FILED SEPT-5.19l6.

Patented 11m. 11,1917? A rciasct.

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ALEXANDER WALSH AND WILLIAM HANCOCK, OF TORONTO, ONTARIO, CANADA.

SHADE-HOLDER FOR LAMPS.

Specification of Letters Patent.

Patents ea. ii, lair.

Application filed September 5, 1916. Serial No. 118,474.

To all whom it may concern:

Be it known that we, ALEXANDER WALSH and WILLIAM HANCOCK, both being subjects of the King of Great Britain, and residents at Toronto, in the county of York and Province of Ontario, Canada, haveinvented new and usefullmprovements in Shade-Holders for Lamps, of which the following is a specification.

Our invention relates to a device adapted to fasten over a lamp socket 01": an electric light fixture, for the purpose of supporting and maintaining a shade in position.

The object of our invention is to devise a holder that may be firmly connected with a lamp socket, and provide it with an extension by which shades of various forms of flanges and diameters may be connected and disconnected without adjusting screws or the use of tools.

In the drawings Figure 1 is a perspective view of a lamp socket showing the holder and shade; and

Fig. 2 is a perspective view of the holder.

Similar letters of reference refer to similar parts throughout the drawings and specification. I

a designates a lamp socket of the standard form, adapted to be attached toany design of lighting fixture, b is a-shade of an ordi nary design which may be formed from glass or any other suitable material. 0 is a connecting flange formed integrally around the top edge ofthe shade. vary in size and form and it is to meet these requirements of variation in size and form.

that we have devised our present device.

0? designates a clamping ring adapted to encircle the lamp socket. The ring is split for the purpose of conveniently fitting it over the lamp socket. The ends of the clamping ring d are bent outwardly in radial relation, and passing through the ends is a fastening screw e by which the ends of the ring are maintained together and the ring clamped to the socket.

Formed in parallel circumferential relation at regular intervals in the clamping ring 03 are a series of slits having the center portion forced inwardly to form loops f.

'Interposed between the loops f and the sides of the ring are a series of extension arms 9. Each of the extension arms are bent outwardly from the lower edge of the ring These. flanges,

d, and the outer ends of each of the extension arms are bent downwardly and inwardly and terminate in loops i, and passing through the loops 2' is anexpansion ring 3'. The expansion ring is adapted to engage over and around the flange c of the shade and firmly maintain it 1n position. The overlapping ends of the expansion ring are bent outwardly and terminate in finger grips k as a means for expanding the ring for the purpose of placing or removing the shade from the holder.

In assembling the parts mechanical pressureis applied to the clamping ring d after the extension arms g have been inserted into the loops 7, to firmly press the loops against the arms to prevent displacement.

What we claim as new and desire to secure by Letters Patent, is

1. A shade holder for lamps comprising a clamping ring, a series of slits and loops formed in circumferential relation in said ring, extension arms engaging in and extending from said loops, a split expansion ring engaging through loops formed on the ends of said extension arms, the ends of said expansion ring overlapping in concentric relation, as and for the purpose specified.

2. A shade holder for lamps comprising a clamping ring adjusting means formed in said clamping ring adapting said ring to be attached to a lamp, a series of loops formed in said clamping ring, said loops formed b parallel circumferential slits in the sai ring, extension arms projecting radially from the said clamping ring, the inner ends of the said extension arms engaging in the said loops, the outer ends of the said extension arms terminating in loops, a split expansion ring passing throughthe said loops, the ends of said expansion ring overlapping in concentric relation, linger grips formed on the overlapping ends of said expansion ring, said finger grips adapted to facilitate in expanding and contracting the said ring, as

and for the purpose specified.

Signed at Toronto, thi 2nd dayof September, 1916.

ALEXANDER WALSH. WILLIAM HANCOCK.

topics of this patent may be obtained for five cents each, by addressing the Gommissioner of Patents,

' Waahlnnton, D. G. 

